The FSS won't reset if a check engine light is on.Since I have no bulb there as dealer removed it.I can't tell if something is wrong.
But I read the light triggers the limp home mode.So heck with a light.
The only thing I have changed as I use to reset FSS, is my Chip.I will unplug the Chip and see if it works.
Unplugged chip and still no reset.

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt